3.83×4.56+38.3×0.544的简便计算?
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3.83x4.56+38.3x0.544
观察得:3.83x4.56+3.83x10x0.544
=3.83x4.56+3.83x5.44
提取公因式:3.83x(4.56+5.44)
=3.83x10
=38.3
观察得:3.83x4.56+3.83x10x0.544
=3.83x4.56+3.83x5.44
提取公因式:3.83x(4.56+5.44)
=3.83x10
=38.3
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3.83×4.56+38.3×0.544
=3.83×4.56+3.83×(10×0.544)
=3.83×4.56+3.83×5.44
=3.83×(4.56+5.44)
=3.83×10
=38.3
=3.83×4.56+3.83×(10×0.544)
=3.83×4.56+3.83×5.44
=3.83×(4.56+5.44)
=3.83×10
=38.3
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3.83×4.56+38.3×0.544
=3.83×4.56+3.83×5.44…(38.3÷10=3.83,0.544×10=5.44)
=3.83×(4.56+5.44)
=3.83×10
=38.3
=3.83×4.56+3.83×5.44…(38.3÷10=3.83,0.544×10=5.44)
=3.83×(4.56+5.44)
=3.83×10
=38.3
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3.83×4.56+38.3×0.544=3.83×4.56+3.83×5.44=3.83*(4.56+5.44)=3.83*10=38.3
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